| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4250.0 | USD | 20190911 |
| Unknown | China national standards | MT | 110.0 | USD | 20190901 |
| Unknown | China national standards | MT | 750.0 | USD | 20190901 |
| Unknown | China national standards | MT | 810.0 | USD | 20190901 |
| Unknown | China national standards | MT | 4250.0 | USD | 20190901 |
| Unknown | China national standards | MT | 750.0 | USD | 20190901 |
| Unknown | China national standards | MT | 870.0 | USD | 20190723 |
| Unknown | China national standards | MT | 920.0 | USD | 20190722 |
| Unknown | China national standards | MT | 140.0 | USD | 20190721 |
| Unknown | China national standards | MT | 4390.0 | USD | 20190719 |